用来与顶部挂片连接的是一根扁带，一把带锁的主锁，一个petzl胶套(keeper)。

A sling, locking carabiner, and petzl string (keeper) were used for the point of attachment to the top anchors.

youdao

用来与顶部挂片连接的是一根扁带，一把带锁的主锁，一个petzl胶套(keeper)。

A sling, locking carabiner, and petzl string (keeper) were used for the point of attachment to the top anchors.

youdao